Chromosome distribution has been investigated at metaphase and C-metaphase in neuroblast cells of Locusta migratoria embryos. There is no evidence for generalised somatic association of homologues or… (More)

A new type of abnormal chromosome 10 has been found among maize plants grown from seeds sent by Dr. Y. C. Ting of Harvard University. This chromosome deviates in its morphology from the orthodox… (More)

Measurements of distances between telocentric chromosomes, either homologous or representing the opposite arms of a metacentric chromosome (complementary telocentrics), were made at metaphase in root… (More)